#dinucleotide	frequency
AA	5078	0.178922518586
AC	950	0.0334730981995
AG	1176	0.041436172087
AT	4290	0.151157464501
CA	962	0.033895916282
CC	336	0.0118389063106
CG	254	0.00894964941334
CT	946	0.0333321588387
GA	1003	0.0353405447306
GC	379	0.0133540044396
GG	516	0.0181811775484
GT	1256	0.0442549593038
TA	4451	0.156830273775
TC	833	0.0293506218949
TG	1208	0.0425636869737
TT	4743	0.167118847116